a proposal intended to explain certain facts or observations同义词:hypothesis
a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena同义词:hypothesis, possibility, theory
a message expressing an opinion based on incomplete evidence同义词:guess, conjecture, supposition, surmise, surmisal, speculation, hypothesis
例句
People have propose all sort of hypotheses to explain why dinosaur have become extinct.人们提出种种假设,试图说明恐龙为什么会灭绝。
A hypothesis admits by its nature of being disputed.既然是假定,就有争论的余地。